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Key to symbols and safety instructions
Tronic – 6 720 884 457 (2018/02)
1 Key to symbols and safety instructions
1.1 Key to symbols
Warnings
The following keywords are defined and can be used in this
document:
• NOTICE indicates a situation that could result in damage to
property or equipment.
• CAUTION indicates a situation that could result in minor to
medium injury.
• WARNING indicates a situation that could result in severe
injury or death.
• DANGER indicates a situation that will result in severe
injury or death.
Important information
Additional symbols
1.2 Security Measures
Installation
▶ Installation must only be carried out
by an authorised service.
▶ IEC 60364-7-701 must be observed
when installing the appliance and or
electrical accessories.
▶ The appliance must be installed in a
room free from the risk of frost.
▶ First connect the appliance
hydraulically and fill with water, then
connect the power supply.
▶ During the installation isolate the
appliance from the power supply.
▶ In a closed, pressurised system of
installation, it is obligatory to install a
safety valve on the inlet pipe with a
rated pressure of 0.6 MPa (6 bar),
0.9 MPa (9 bar) or 1.0 MPa (10 bar)
(see the label), which prevents the
elevation of pressure in the boiler by
more than 0.1 MPa (1 bar) above the
rated pressure.
▶ Water may drip from the outlet
opening of the safety valve, so the
outlet opening should be set to
atmospheric pressure.
▶ The outlet of the safety valve should
be installed facing downwards and in
a non-freezing area.
▶ To ensure proper functioning of the
safety valve, the user should perform
regular controls to remove limescale
and make sure the safety valve is not
blocked.
Warnings in this document are identified by
a warning triangle printed against a grey
background.
Keywords at the start of a warning indicate
the type and seriousness of the ensuing risk
if measures to prevent the risk are not taken.
This symbol indicates important information
where there is no risk to people or property.
Symbol Explanation
▶ Step in an action sequence
Cross-reference to another part of the document
•List entry
– List entry (second level)
Table 1
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